SCCM 2012 R2 Console Connection Error

You successfully installed the SCCM 2012 R2 and its fully functional and ready to be tested by your IT staff members, suddenly when you install the SCCM 2012 R2 management console on their PCs and when you try to connect tot the site server you got the following error.

well all what you need to do is to download the below reg file and install it on your windows 8.1 PC, but before doing this make sure you keep a backup copy of your registry by exporting it to your desktop.